(19)
(11) EP 1 565 278 A1

(12)

(43) Date of publication:
24.08.2005 Bulletin 2005/34

(21) Application number: 03776732.4

(22) Date of filing: 25.11.2003
(51) International Patent Classification (IPC)7B08B 9/04, E03F 9/00
(86) International application number:
PCT/CA2003/001837
(87) International publication number:
WO 2004/048009 (10.06.2004 Gazette 2004/24)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 25.11.2002 CA 2412693

(71) Applicant: Mac & Mac Hydrodemolition Inc.
British Columbia V4N 4A3 (CA)

(72) Inventors:
  • MACNEIL, Gerard, J.
    Surrey, British Columbia V4N 4A3 (CA)
  • MACNEIL, David, B.
    Langley, British Columbia V2Y 1Z1 (CA)
  • MACNEIL, Gordon, W.
    Delta, British Columbia V4C 6V4 (CA)
  • BOSE, Vernon, G.
    Langley, British Columbia V3A 4S4 (CA)

(74) Representative: Bailey, Richard Alan 
Marks & Clerk, 27 Imperial Square
Cheltenham, GL50 1RQ
Cheltenham, GL50 1RQ (GB)

   


(54) PIPE SCARIFIER